Home / 97,320.51-134,315.19-57,050.10

Finding the Fourth Proportional to 97,320.51, 134,315.19 and 57,050.10

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Solution

The fourth proportional to 97,320.51, 134,315.19 and 57,050.10 is: 78,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,320.51 : 134,315.19 = 57,050.10 : x
  2. Step 2: Convert to fraction form
    97,320.51/134,315.19 = 57,050.10/x
  3. Step 3: Cross multiply
    97,320.51x = 134,315.19 × 57,050.10
  4. Step 4: Simplify right side
    97,320.51x = 7,662,695,021.02
  5. Step 5: Solve for x
    x = 7,662,695,021.02/97,320.51
  6. Step 6: Final answer
    x = 78,736.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.